What are TWO differences between a food chain and food web?
What is a food chain shows a single pathway and a food web has multiple pathways with multiple food chains
100
What is the difference between deciduous and coniferous?
What is deciduous leaves change color and fall whereas coniferous trees have needle-like leaves and produce cones
100
As birth rate increases and death rate decreases, the population ___________(increases, decreases, stays the same)
What is increases?
100
What is a carbon footprint?
What is The total amount of greenhouse gases produced to directly and indirectly support human activities, usually expressed in equivalent tons of carbon dioxide (CO2)
100
What is coral bleaching and what are its causes?
What is the whitening of coral due to the loss of algae. It is primarily caused by the warming of ocean water?
200
What is carrying capacity? How will we know when we've reached it?
What is the amount of life that Earth can sustain and all of the resources will be utilized
200
Name two chemicals that threaten our ecosystems.
What is DDT, PCB, and BPA?
300
Explain biological magnification.
What is Biological magnification (or biomagnification) is the buildup of certain substances, such as DDT, in the bodies of organisms at higher trophic levels of food webs.
400
Explain the process of fracking.
What is the process of drilling down into the earth before a high-pressure water mixture is directed at the rock to release the gas inside.